For what it’s worth, I think it’s a good idea to file some bugs for recent old versions, even with the understanding that they won’t be fixed. It gives someone who has yet to update (for whatever reason) some chance of finding a definitive source that the bug doesn’t manifest in a newer version, giving them a concrete case to upgrade.

On Apr 28, 2017 09:10, "David Feuer" <david.feuer@gmail.com> wrote:
To answer the original question, 7.10 is done; there will not be a
7.10.4. If you find bugs in 7.10 and can't test them in 8.0, you can
still file them. Reporting bugs in pre-7.10 versions that can't be
reproduced in more recent versions is not likely to be useful.

On Fri, Apr 28, 2017 at 6:14 AM, Ramin Honary <ramin.honary@gmail.com> wrote:
> I'm getting an "internal error: evacuate: strange closure type" in GHC
> 7.10.3. Should I report it? Would it even do any good? It doesn't seem there
> is any more development on the 7.10 branch anymore. If it is still being
> developed, should I try updating my GHC to a more recent build of 7.10.3?
>
> Looking at the core dump file, it appears to be a problem in the garbage
> collector. I've done a bit of work trying get around the bug, including
> using -dcore-lint and -O0, and updating my dependency libraries, and I can
> still reproduce the issue very regularly in my own environment by calling a
> single method in my code base, either in GHCi or in a compiled binary test
> program.
>
>
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